Refactor a few more catch(...) instances

src/avrdude/avrdude-slic3r.cpp

@@ -204,18 +204,6 @@ AvrDude::Ptr AvrDude::run()
 					message_fn("\n", 1);
 				}
 
-				if (self->p->complete_fn) {
-					self->p->complete_fn();
-				}
-			} catch (...) {
-				self->p->exit_code = EXIT_EXCEPTION;
-
-				static const char *msg = "An unkown exception was thrown in the background thread.\n";
-
-				if (self->p->message_fn) {
-					self->p->message_fn(msg, sizeof(msg));
-				}
-
 				if (self->p->complete_fn) {
 					self->p->complete_fn();
 				}

src/slic3r/GUI/GUI_App.cpp

@@ -139,9 +139,6 @@ static void generic_exception_handle()
         wxLogError("Internal error: %s", ex.what());
         BOOST_LOG_TRIVIAL(error) << boost::format("Uncaught exception: %1%") % ex.what();
         throw;
-    } catch (...) {
-        wxLogError("Unknown internal error");
-        BOOST_LOG_TRIVIAL(error) << "Uncaught exception: Unknown error";
     }
 }
 
@@ -169,7 +166,7 @@ bool GUI_App::OnInit()
 {
     try {
         return on_init_inner();
-    } catch (...) {
+    } catch (const std::exception&) {
         generic_exception_handle();
         return false;
     }

src/slic3r/Utils/Serial.cpp

@@ -98,7 +98,7 @@ optional<unsigned long> sysfs_tty_prop_hex(const std::string &tty_dev, const std
 	if (!prop) { return boost::none; }
 
 	try { return std::stoul(*prop, 0, 16); }
-	catch (...) { return boost::none; }
+	catch (const std::exception&) { return boost::none; }
 }
 #endif